Question: What start located in the constellation of Centaurus has the least radial velocity?
Paraphrase: Which star as the least radial velocity in the Centaurus constellation?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q523 . ?ent wdt:P2216 ?obj . ?ent wdt:P59 wd:Q8844} ORDER BY ASC(?obj)LIMIT 5 
Answer: TYC 7789-741-1, IRAS 12225-5136, IRAS 12429-5400, TYC 8991-3663-1, UCAC2 7788346